feat: (vm) memory mapping support: mmap/munmap

[lunaix-os.git] / lunaix-os / includes / lunaix / spike.h

diff --git a/lunaix-os/includes/lunaix/spike.h b/lunaix-os/includes/lunaix/spike.h
index 4e17993266adbf0e96971a034c39f4517d723cad..91c92fcaa47bdc597ddffe89ff46337be6fc0f56 100644 (file)
--- a/lunaix-os/includes/lunaix/spike.h
+++ b/lunaix-os/includes/lunaix/spike.h
@@ -3,18 +3,18 @@
 
 // Some helper functions. As helpful as Spike the Dragon! :)
 
-// 除法向上取整
+// 除法 v/(2^k) 向上取整
 #define CEIL(v, k) (((v) + (1 << (k)) - 1) >> (k))
 
 #define ICEIL(x, y) ((x) / (y) + ((x) % (y) != 0))
 
-// 除法向下取整
+// 除法 v/(2^k) 向下取整
 #define FLOOR(v, k) ((v) >> (k))
 
-// 获取v最近的最大k倍数
+// 获取v最近的最大k倍数 (k=2^n)
 #define ROUNDUP(v, k) (((v) + (k)-1) & ~((k)-1))
 
-// 获取v最近的最小k倍数
+// 获取v最近的最小k倍数 (k=2^m)
 #define ROUNDDOWN(v, k) ((v) & ~((k)-1))
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
@@ -71,7 +71,7 @@ spin()
         ;
 }
 
-#ifdef __LUNAIXOS_DEBUG__
+#ifndef __LUNAIXOS_NASSERT__
 #define assert(cond)                                                           \
     if (!(cond)) {                                                             \
         __assert_fail(#cond, __FILE__, __LINE__);                              \
@@ -87,11 +87,15 @@ __assert_fail(const char* expr, const char* file, unsigned int line)
 #else
 #define assert(cond) (void)(cond);          // assert nothing
 #define assert_msg(cond, msg) (void)(cond); // assert nothing
-#endif
+
+#endif // __LUNAIXOS_NASSERT__
 
 void
 panick(const char* msg);
 
+void
+panickf(const char* fmt, ...);
+
 #define wait_until(cond)                                                       \
     while (!(cond))                                                            \
         ;